Basic circuit the Chpter6 Problems I Let L= 1.25 H in Fig. 6-11, and determine v(t)if v(0) 1(02)=20A L 0.05F ig 6-11 For prob. I 2(a)What value of L in the circuit of Fig 6-11 will result in a transient response of the form, v(t) Ae+Be? A 4 3 Element values in the circuit of Fig 6-12 are: vs=100V,Rs=10Q2, L=2mH, and C 20/3 u F. The switch closes at t=0, find V r(t) 4 A4 u F capacitor and a 10mH inductor are used in a critically damped parallel rlC circuit(a) Find R resistor. (b)At t=0 the capacitor voltage is 100V and it is absorbing 50w, write the response of the capacitor voltage versus t Vs 5 The switch in Fig. 6-13 has been closed for hours. It is opened at t=0, show that a 10V battery can be a lethal weapon by finding v at t=2.5T us 6 For the circuit shown in Fig. 6-14, find v c(t)and ic(t) 1200 20V 3 50(V Fig 6-14 For prob. 6 DaLian Maritime UniversityBasic Circuit Theory Chpter6 Problems 1 Let L = 1.25 H in Fig.6-11, and determine v(t) if v(0 ) = 100 V and: (a) i C (0 ) = 20A; (b) i (0 ) = 20A. + + L + - + 2Ω L L i C i R i 0.05F v Fig. 6-11 For prob. 1 . 2 (a) What value of L in the circuit of Fig.6-11 will result in a transient response of the form, v(t) = Ae + Be ？A 4 −4t −6t 3 Element values in the circuit of Fig.6-12 are : v = 100V, R = 10 S S Ω , L = 2mH, and C = 20/3 µ F. The switch closes at t = 0, find v (t) R 4 A 4 µ F capacitor and a 10mH inductor are used in a critically damped parallel RLC circuit. (a) Find R resistor. (b) At t = 0 the capacitor voltage is 100V and it is absorbing 50W, write the response of the capacitor voltage versus t. t=0 + - - + Rs C L R R v s v Fig. 6-12 For prob.4. 5 The switch in Fig.6-13 has been closed for hours. It is opened at t = 0, show that a 10V battery can be a lethal weapon by finding v at t = 2.5π µ s. - t=0 + v 10nF 2.5mH 10V 0.5Ω Fig. 6-13 For prob.5. 6 For the circuit shown in Fig.6-14, find v (t) and i (t). C C + - - + V 1200Ω C i C v u(t) F 3 10 µ 20V 50 20H Fig. 6-14 For prob.6. DaLian Maritime University 1